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Message-ID: <20230821064759.94223-5-Arvind.Yadav@amd.com>
Date: Mon, 21 Aug 2023 12:17:56 +0530
From: Arvind Yadav <Arvind.Yadav@....com>
To: <Christian.Koenig@....com>, <alexander.deucher@....com>,
<shashank.sharma@....com>, <Xinhui.Pan@....com>,
<airlied@...il.com>, <daniel@...ll.ch>, <Felix.Kuehling@....com>,
<amd-gfx@...ts.freedesktop.org>
CC: <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
"Arvind Yadav" <Arvind.Yadav@....com>,
Christian Koenig <christian.koenig@....com>
Subject: [PATCH v2 4/7] drm/amdgpu: Add suspend function to clear the GPU power profile.
This patch adds a suspend function that will clear the GPU
power profile before going into suspend state.
v2:
- Add the new suspend function based on review comment.
Cc: Shashank Sharma <shashank.sharma@....com>
Cc: Christian Koenig <christian.koenig@....com>
Cc: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Arvind Yadav <Arvind.Yadav@....com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c | 23 +++++++++++++++++++
drivers/gpu/drm/amd/include/amdgpu_workload.h | 2 ++
3 files changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index cd3bf641b630..3b70e657b439 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4212,6 +4212,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
amdgpu_ras_suspend(adev);
+ amdgpu_workload_profile_suspend(adev);
+
amdgpu_device_ip_suspend_phase1(adev);
if (!adev->in_s0ix)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c
index 6367eb88a44d..44ca8e986984 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_workload.c
@@ -174,6 +174,29 @@ void amdgpu_workload_profile_set(struct amdgpu_device *adev,
mutex_unlock(&workload->workload_lock);
}
+void amdgpu_workload_profile_suspend(struct amdgpu_device *adev)
+{
+ struct amdgpu_smu_workload *workload = &adev->smu_workload;
+ int ret;
+
+ mutex_lock(&workload->workload_lock);
+ cancel_delayed_work_sync(&workload->smu_delayed_work);
+
+ /* Clear all the set GPU power profile*/
+ for (int index = fls(workload->submit_workload_status);
+ index > 0; index--) {
+ if (workload->submit_workload_status & (1 << index)) {
+ atomic_set(&workload->power_profile_ref[index], 0);
+ ret = amdgpu_power_profile_clear(adev, index);
+ if (ret)
+ DRM_WARN("Failed to clear power profile %s, err = %d\n",
+ amdgpu_workload_mode_name[index], ret);
+ }
+ }
+ workload->submit_workload_status = 0;
+ mutex_unlock(&workload->workload_lock);
+}
+
void amdgpu_workload_profile_init(struct amdgpu_device *adev)
{
adev->smu_workload.adev = adev;
diff --git a/drivers/gpu/drm/amd/include/amdgpu_workload.h b/drivers/gpu/drm/amd/include/amdgpu_workload.h
index ee1f87257f2d..0acd8769ec52 100644
--- a/drivers/gpu/drm/amd/include/amdgpu_workload.h
+++ b/drivers/gpu/drm/amd/include/amdgpu_workload.h
@@ -52,6 +52,8 @@ void amdgpu_workload_profile_put(struct amdgpu_device *adev,
void amdgpu_workload_profile_set(struct amdgpu_device *adev,
uint32_t ring_type);
+void amdgpu_workload_profile_suspend(struct amdgpu_device *adev);
+
void amdgpu_workload_profile_init(struct amdgpu_device *adev);
void amdgpu_workload_profile_fini(struct amdgpu_device *adev);
--
2.34.1
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